21155948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{1699}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 40555200

約数和(自身を除く): 19399252

約数列:

[1, 2, 4, 11, 22, 44, 283, 566, 1132, 1699, 3113, 3398, 6226, 6796, 12452, 18689, 37378, 74756, 480817, 961634, 1923268, 5288987, 10577974, 21155948]

約数ペア:

[(1, 21155948), (2, 10577974), (4, 5288987), (11, 1923268), (22, 961634), (44, 480817), (283, 74756), (566, 37378), (1132, 18689), (1699, 12452), (3113, 6796), (3398, 6226)]